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Erythrite from
Tilly Foster Iron Mine, Brewster, Town of Southeast, Putnam Co., New York, USA

Erratic type:
Comments:Occurs as small (to 1 cm.) globular encrustations mixed with some cobalt rich chlorite (?) as an alteration of linnaeite. Confirmed by EDAX-SEM at the New York State Museum.
Quality for species:Poor for species, only of interest for locality collectors. (#)
Abundance at site:Very Rare
Confirmation Methods:SEM-EDS
References:Januzzi (1976) Mineral Localities of Connecticut & Southeastern New York State
(Januzzi, 1966, 1989) (Trainer, 1938) (Nightingale 2001)
Associated Minerals Based on Photo Data:
Linnaeite1 photo of Erythrite associated with Linnaeite at this locality.
Mineral Data:Click here to view Erythrite data
Locality Data:Click here to view Tilly Foster Iron Mine, Brewster, Town of Southeast, Putnam Co., New York, USA
Nearest other occurrences of Erythrite
37.6km (23.4 miles) A Old Mine Plaza construction site, Long Hill, Trumbull, Fairfield Co., Connecticut, USA
85.2km (52.9 miles) B Franklin Mine, Franklin, Franklin mining district, Sussex Co., New Jersey, USA
88.0km (54.7 miles) C Sterling Mine, Sterling Hill, Ogdensburg, Franklin mining district, Sussex Co., New Jersey, USA
93.3km (58.0 miles) D Great Hill cobalt mines, Cobalt, East Hampton (Chatham), Middlesex Co., Connecticut, USA
186.3km (115.7 miles) E Adams Brook nickel prospect, Newfane, Windham Co., Vermont, USA
195.4km (121.4 miles) F Kibblehouse Quarry, Perkiomenville, Marlborough Township, Montgomery Co., Pennsylvania, USA
214.4km (133.2 miles) G Wheatley Mines, Phoenixville mining district, Schuylkill Township, Chester Co., Pennsylvania, USA
Mineral and/or Locality  
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